yukijoou/kwin
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

No public texture coordinates.

Browse source 
svn path=/trunk/KDE/kdebase/workspace/; revision=689926
This commit is contained in:
Luboš Luňák 2007-07-19 14:56:25 +00:00
parent 9400def76b
commit dbade7f1a4
2 changed files with 22 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
lib/kwineffects.cpp
View file

@ -318,6 +318,7 @@ WindowQuad WindowQuad::makeSubQuad( float x1, float y1, float x2, float y2 ) con
assert( x1 < x2 && y1 < y2 && x1 >= left() && x2 <= right() && y1 >= top() && y2 <= bottom());
checkUntransformed();
WindowQuad ret( *this );
// vertices are clockwise starting from topleft
ret.verts[ 0 ].px = x1;
ret.verts[ 3 ].px = x1;
ret.verts[ 1 ].px = x2;
@ -335,10 +336,14 @@ WindowQuad WindowQuad::makeSubQuad( float x1, float y1, float x2, float y2 ) con
ret.verts[ 1 ].oy = y1;
ret.verts[ 2 ].oy = y2;
ret.verts[ 3 ].oy = y2;
float tleft = ( x1 - left()) / ( right() - left()) * ( textureRight() - textureLeft()) + textureLeft();
float tright = ( x2 - left()) / ( right() - left()) * ( textureRight() - textureLeft()) + textureLeft();
float ttop = ( y1 - top()) / ( bottom() - top()) * ( textureBottom() - textureTop()) + textureTop();
float tbottom = ( y2 - top()) / ( bottom() - top()) * ( textureBottom() - textureTop()) + textureTop();
float my_tleft = verts[ 0 ].tx;
float my_tright = verts[ 2 ].tx;
float my_ttop = verts[ 0 ].ty;
float my_tbottom = verts[ 2 ].ty;
float tleft = ( x1 - left()) / ( right() - left()) * ( my_tright - my_tleft ) + my_tleft;
float tright = ( x2 - left()) / ( right() - left()) * ( my_tright - my_tleft ) + my_tleft;
float ttop = ( y1 - top()) / ( bottom() - top()) * ( my_tbottom - my_ttop ) + my_ttop;
float tbottom = ( y2 - top()) / ( bottom() - top()) * ( my_tbottom - my_ttop ) + my_ttop;
ret.verts[ 0 ].tx = tleft;
ret.verts[ 3 ].tx = tleft;
ret.verts[ 1 ].tx = tright;

29
lib/kwineffects.h
View file

@ -391,6 +391,7 @@ enum WindowQuadType
* @short Class representing one area of a window.
* WindowQuads consists of four WindowVertex objects and represents one part of a window.
*/
// NOTE: This class expects the (original) vertices to be in the clockwise order starting from topleft.
class KWIN_EXPORT WindowQuad
{
public:
@ -404,10 +405,10 @@ class KWIN_EXPORT WindowQuad
float right() const;
float top() const;
float bottom() const;
float textureLeft() const;
float textureRight() const;
float textureTop() const;
float textureBottom() const;
float originalLeft() const;
float originalRight() const;
float originalTop() const;
float originalBottom() const;
private:
friend class WindowQuadList;
void checkUntransformed() const;
@ -623,31 +624,27 @@ float WindowQuad::bottom() const
}
inline
float WindowQuad::textureLeft() const
float WindowQuad::originalLeft() const
{
checkUntransformed();
return verts[ 0 ].tx;
return verts[ 0 ].ox;
}
inline
float WindowQuad::textureRight() const
float WindowQuad::originalRight() const
{
checkUntransformed();
return verts[ 2 ].tx;
return verts[ 2 ].ox;
}
inline
float WindowQuad::textureTop() const
float WindowQuad::originalTop() const
{
checkUntransformed();
return verts[ 0 ].ty;
return verts[ 0 ].oy;
}
inline
float WindowQuad::textureBottom() const
float WindowQuad::originalBottom() const
{
checkUntransformed();
return verts[ 2 ].ty;
return verts[ 2 ].oy;
}
} // namespace